4a, Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
About 4a
4a is a semi-detached house in Bancyfelin, Carmarthen, Carmarthen (SA33 5NF). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 1967-1975 and council tax band A. At 67 m² this is the 5th smallest of 15 units on EPC record in the building, where floor areas span 59–124 m². The building's EPC ratings span F to C across 15 units on file. The latest certificate (August 2019) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 73). Main heating runs on oil.
Today's modelled estimate of £111,000 sits 50% above the 2020 sale of £74,000. At 67 m² it's 19.8% smaller than the typical home in the postcode (84 m² median across 14 EPCs). Sold July 2020 for £74,000.
Know exactly what you're buying at 4a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Planning history
4a has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 4a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£111,000
Modelled from EPC, postcode comparables.
£74,000
Recorded with HM Land Registry.
Sales timeline
9 July 2020Most recent
£74,000
Median price across the last 5 sales in SA33 5NF: £90,000 (2025–2021).
Nearby sales in SA33 5NF
2a, Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
Sold Aug 2025
£87,50010 Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
Sold Oct 2024
£170,00021 Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
Sold Nov 2022
£150,0004 Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
Sold May 2022
£83,50022 Lon Cowin, Bancyfelin, Carmarthen, SA33 5NF
Sold Jan 2018
£97,000
Everything we know about 4a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Lon Cowin homes
EPC Rating
58 (D)
Street avg 64 (D)
Floor Area
67 m²
Street avg 66 m²
CO₂ Emissions
4.2 t/year
Street avg 3.6 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Similar properties nearby
1 Felin Gardens, High Street, Bancyfelin
SA33 5ND
1 Ger Y Marbell, Llanybri
SA33 5HW
1 High Street, Bancyfelin
SA33 5ND
1 Ger Y Nant, Meidrim
SA33 5QW
1 Ger Yr Eglwys, Llansteffan
SA33 5JS
1 Fairview Cottages, Llangain
SA33 5AH
1 Llangynog Farm Cottages, Llangynog
SA33 5HS
1 Bryn Cynog, Llangynog
SA33 5BT
The neighbourhood at a glance
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Werndale Hospital — bus stop.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.